Compaq Armada 4100 Reference Manual page 148

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Pointing Device Problems and Solutions
Problem
Touchpad or
trackball
does not work.
Device driver is
loaded but pointing
device doesn't
work.
Cursor skips or
moves abnormally
when using a
pointing device.
Possible Cause
An external PS/2 mouse
or other pointing device
is connected to the
computer, and the
system disabled the
touchpad or trackball.
Wrong pointing device is
selected.
The pointing device needs
cleaning.
Continued
Solution
Press the suspend button to
place the computer in Suspend.
Disconnect the mouse or other
pointing device, then press the
suspend button again to exit
Suspend.
Press Shut Down on the Start
menu to turn off the computer.
Disconnect the mouse or other
pointing device, then press
the power button again to
reboot.
To select the right pointing
device, access the Start menu
via the keyboard by pressing
Ctrl+Esc. Use the arrow keys
to get to Settings, then
Control Panel, and press
Enter. Use arrow keys to
select the Mouse utility.
Double-click the icon and
follow the directions on the
screen.
Clean the pointing device.
Refer to Chapter 4, Working
with Pointing Devices for
instructions on cleaning the
touchpad. Or see Cleaning the
Trackball in this chapter.
Troubleshooting 14-19